Sectional lip for dredge buckets



5.. w. SEYMS. SECTIONAL UP FOR DREDGE BUCKETS.

APPLICATION FILED SEPT.2I, 1921.

1,421,346. Patented June 27, 1922.

16 72 a FWJey/fla UNITED. sur es...

PATENT OFF-ICE.

Bonner W. Series, or snr FRANCISCO, catrro'mna, AssIeNoa T0 TAYLOR-WKAR'ION men 4m) srnm. COMPANY, or men amen, NEW JERSEY,

a CORPORATION orNEw JERSEY.

To all whom it may concern:

- Be it known that I,R0BERT W. Slims, a citizen of the United States,residin at San Francisco, in the-county of; San rancisco and State ofCalifornia, have invented certain new and useful Improvements inSectionalLips for Dredge Buckets, of which the following is a.specification.

Dredge buckets of theendless, elevator type are usually rovided with acutting lip of alloy steel, suc as manganese steel, which assumes thebrunt of the digging, and must be replaced from time to time. 'The lipis .usually secured by a course of rivets,-and

when replacement is necessary, much time and labor is expendedin'cutting the rivets in order to remove the worn lip and in rivetingthe new lip. y

he object of. myiinvention is to reduce this expense to a minimum byprovidinga j sectional lip whereof one element is or may be permanentlysecured to the bucket, and whereof the other element is in the form ofa. tip, which maybe applied or removed with ease and facility.

The nature, characteristic .features and. sec of the invention will bemore readily 'un erstoodfrom the following description taken inconnection with the accompanying drawings forming a part thereof, where-F igure l. is a perspective view of. a cutting lip embodying myinvention. I Fi 2. is a front elevational view showing the 11p elementsin detached relation.

Fig. 3. is a section on line 3-3 of Fig. I. Fig. 4. is a section on line4-4 of Fig. 1.

In practicing the invention I provide a lip sncrlomnmr r012. cannonmicxn rs.

Specification of Letters Patent. P t t d June 27, 1922, Application iledSeptember 21, 1921f Serial No. 502,191?

assembly comprising a base 5 and a tip -or I wearing element 6.- Thebase 5 is or may be rivet. holes 7 being provided for that purpose Thetip-receiving edge of the base is provlded with a tongue 8 which is wellforti fied' by an inner swell 9.. The tongue stops short of the ends ofthe base, which have permanently secured to the dredge bucket, I

undercut portions or lugs 10. Rivet holes 11 are provided, one at eaclrside of the cen commodated in slots or pockets 15 in the base, and theinterlocking of the elements is completed by two rivets 16.

' Having described my invention, I claini,'-,

'1. A lip assembly for dredge buckets, comgroove connection, the basehaving terminal lugs which straddle the endsof the tip.

2. A lip a wembly for dredge buckets, comab'ase a d a renewab tip, thelatter having depending ears which are afforded'a flush-"fit in-the.base, the ears and base having registering rivet holes;

3. In combination, a dredge bucket, and a two-piecelip, comprisingamembe'r secured to the bucket and a removable tip or testimony whereofI aflix my si ature.'-

a ROBERT W. sn Ms.

prisinga base and a tip having a tongue and

